Ed Gein admitted to killing two women. But did he kill his older brother, Henry, as well? The latest season of "Monster" imagines he did, although the facts are less clear.

"Monster" looks into the making of a killer whose gruesome crimes and family backstory would go on to inspire horror films like "Psycho" and "The Texas Chainsaw Massacre."

Charlie Hunnam stars as Ed Gein, who was nicknamed the "Butcher of Plainfield" for the house of horrors found in his Plainfield, Wisconsin home.

Here's what to know about Henry and Ed Gein.

Who were Henry and Ed Gein?

Henry and Ed Gein were the two children born to Augusta and George Gein in Wisconsin in the early 1900s — Henry in 1902 and Ed in 1906.

The Gein biography "Deviant," written by the true crime writer Harold Schechter, describes

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